CN105642736A - Cutting-open mold for shell-shaped workpiece - Google Patents
Cutting-open mold for shell-shaped workpiece Download PDFInfo
- Publication number
- CN105642736A CN105642736A CN201610154072.0A CN201610154072A CN105642736A CN 105642736 A CN105642736 A CN 105642736A CN 201610154072 A CN201610154072 A CN 201610154072A CN 105642736 A CN105642736 A CN 105642736A
- Authority
- CN
- China
- Prior art keywords
- shelly
- block
- die
- workpiece
- unloading block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
Abstract
The invention discloses a cutting-open mold for a shell-shaped workpiece. The mold comprises an upper mold structure and a lower mold structure. The upper mold structure can do vertical translation relative to the lower mold structure through guidance of a guide structure; the upper mold structure comprises an upper mold plate, an upper pressing plate and a puncher pin, the lower mold structure comprises a female mold, a female mold fixing block and a lower mold plate from top to bottom, and the female mold, the female mold fixing block and the lower mold plate are relatively fixed; a discharging block is arranged on the periphery of the female mold fixing block, and two check blocks are mounted on the discharging block and are mounted on the two sides of the female mold; under the working state, the small opening end, corresponding to the shell-shaped workpiece, of an upper half shell and the small opening end, corresponding to the shell-shaped workpiece, of a lower half shell abut against the side faces of one check block. According to the cutting-open mold for the shell-shaped workpiece, the shell-shaped workpiece can be more effectively cut open through measures of profile positioning, dividing the discharging block into two portions, arranging the check blocks and the like, part wrinkling during cutting open is avoided, the machining precision is ensured, inserts are adopted in the upper end of a cutter opening and the upper end of the female mold, and the machining and replacement cost can be reduced.
Description
Technical field
The present invention relates to mould applications, particularly a kind of incision mould for shelly workpiece.
Background technology
The front view of the shelly workpiece that the mould of the present invention is targeted is as shown in Figure 1, accompanying drawing 2 is its top view, accompanying drawing 3 is its upward view, now need to cut its central part, it is cut into the upper half shell shown in accompanying drawing 4 and the lower half shell shown in accompanying drawing 5, upper half shell and lower half shell can form special pipe as shown in Figures 6 and 7, described special pipe is the shape of similar water pipe bent sub, special pipe has inturned portions and excurvation part, and a big port of port is little, therefore corresponding upper half shell and lower half shell also have inturned portions and excurvation part and big opening end and osculum end, the workpiece that the present invention is directed to can be considered the disjunctor of upper half shell and lower half shell, the big end of upper half shell corresponding on it links together with the big end of lower half shell. general cutting mould cut after the finished product of upper half shell and lower half shell owing to losing the coupling part of centre, easily fall down from mould after die sinking, and longer owing to cutting part, housing is relatively thin, dealing with improperly and can cause the wrinkling generation sawtooth of shelly workpiece, machining accuracy is relatively low.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides one can shelly workpiece effectively be positioned, it is prevented that drop, and can guarantee that the incision mould of the shelly workpiece of machining accuracy.
Technical scheme: for achieving the above object, the shelly workpiece of the present invention cuts mould and includes upper die structure and lower die structure, and described upper die structure can pass through guide frame and guide relative to lower die structure upper and lower translation; Described upper die structure includes cope match-plate pattern, upper holding pad and drift, and described upper holding pad can relative to described cope match-plate pattern upper and lower translation, and its translation is provided with spacing up and down, and upper holding pad upper end is provided with flexible member A to provide positioning pressure; Described drift is fixed relative to cope match-plate pattern, and upper holding pad has the tool bore of walking of up/down perforation, and described drift is slidably matched with walking tool bore;
Described lower die structure includes die, die fixed block and lower bolster from top to bottom, is relatively fixed between three, and described die fixed block is provided around unloading block; Being provided with two blocks in described unloading block, two blocks are arranged on the both sides of die; Under duty, the osculum end of upper half shell corresponding on shelly workpiece and the osculum end of lower half shell are respectively against the side of two blocks.
Further, described unloading block can relative to die upper and lower translation, and its lower end is provided with flexible member B.
Further, described upper holding pad lower end is milled with locating mould cavity, and described stripper upper end is milled with location profile, and described locating mould cavity all agrees with the profile forms of shelly workpiece with location profile.
Further, described unloading block includes unloading block A and unloading block B two parts, unloading block A and unloading block B are arranged on the both sides of described die fixed block and can be respectively relative to described die and slide up and down, and unloading block A is equipped with flexible member B to provide ejecting force with unloading block B lower end; Two described blocks are separately mounted to the upper end of unloading block A and unloading block B.
Further, described upper holding pad lower end is milled with locating mould cavity, and the upper end of described unloading block A and unloading block B is milled with location profile A and location profile B, and during work, described location profile A all fits with the inwall of shelly workpiece to be processed with location profile B.
Further, described drift lower end is provided with edge of a knife mold insert, and described die upper end is provided with die mold insert.
Further, described edge of a knife mold insert upper end is milled with location profile C, and during work, the inwall of described location profile C and shelly workpiece to be processed is fitted; Immediately below described edge of a knife mold insert lower end shape and edge of a knife mold insert, on shelly workpiece to be processed, the profile forms of correspondence position agrees with.
Further, the both sides of described upper holding pad have gathering sill, and each gathering sill all has a guide pad A to be slidably matched with it, and glide direction is vertical direction, and described guide pad A fixes relative to described cope match-plate pattern.
Further, described lower die structure also includes guide pad B, and described guide pad B fixedly mounts relative to described lower bolster, and has vertically through square notch on it; Described unloading block A and unloading block B lower end are equipped with cushion block, the side of described cushion block is against described die fixed block, and opposite side is embedded in the square notch of described guide pad B, and cushion block and guide pad B are slidably matched, and glide direction is vertical direction.
Beneficial effect: the shelly workpiece of the present invention cut mould by profile location, unloading block is divided into two parts and the finished product after shelly workpiece is more effectively cut and prevents incision by the measures such as block is set drops, avoid part in incision process wrinkling, ensure that machining accuracy, and the edge of a knife and die upper end all adopt mold insert, it is possible to reduce processing and replacement cost.
Accompanying drawing explanation
Accompanying drawing 1 is the front view of shelly workpiece;
Accompanying drawing 2 is the top view of shelly workpiece;
Accompanying drawing 3 is the upward view of shelly workpiece;
Accompanying drawing 4 is the structure chart of upper half shell;
Accompanying drawing 5 is the structure chart of lower half shell;
Accompanying drawing 6 is the front view of special pipe;
Accompanying drawing 7 is the top view of special pipe;
Accompanying drawing 8 cuts the front view of mould for shelly workpiece;
Accompanying drawing 9 is the top view of lower die structure;
Accompanying drawing 10 is the top view of upper die structure.
In accompanying drawing, the title of each label indication part is as follows:
1, lower installation board; 2, counterdie foot; 3, lower bolster; 4, lower bolster; 5, cushion block;6, die fixed block; 7, unloading block A; 8, die; 9, block; 10, guide pin bushing fixed block; 11, upper mounting plate; 12, upper mould foot; 13, cope match-plate pattern; 14, upper padding plate; 15, upper mounted plate; 16, upper holding pad; 17, drift; 18, limited post; 19, guide frame; 20, guide pad A; 21, discharging screw A; 22, discharging screw B; 23, Rectangular Spring; 24, nitrogen spring; 25, guide pad B; 26, unloading block B.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
Shelly workpiece as shown in accompanying drawing 8-accompanying drawing 10 cuts mould, including upper die structure and lower die structure, described upper die structure can pass through guide frame 19 and guide relative to lower die structure upper and lower translation, and it is spacing for mould is carried out matched moulds to be mounted on limited post 18 on upper die structure and lower die structure. Described guide frame 19 includes guide pillar and guide pin bushing, and described guide pillar is fixed on upper die structure, and described guide pin bushing is fixed on lower die structure, and guide pillar is concentric with guide pin bushing to be installed, and is slip cooperating relationship between guide pillar and guide pin bushing.
Described upper die structure includes upper mounting plate 11, upper mould foot 12, cope match-plate pattern 13, upper padding plate 14, upper mounted plate 15, upper holding pad 16 and drift 17 from top to bottom successively, for the relation that is connected between the first five person; Described upper holding pad 16 can relative to described cope match-plate pattern 13 upper and lower translation, its translation is led by guide pad B25, concrete guidance mode is: upper holding pad 16 both sides have gathering sill, and each gathering sill is all slidably matched with a guide pad B25, and guide pad B25 is connected on described cope match-plate pattern 13. Upper holding pad 16 upper end is provided with discharging screw A21 and limits the stroke of its upper and lower translation, and its upper end is provided with flexible member A to provide the positioning pressure of shelly workpiece when matched moulds and to make when die sinking holding pad 16 reset, and flexible member A is Rectangular Spring 23 herein; Described drift 17 is fixed relative to cope match-plate pattern 13, and upper holding pad 16 has the tool bore of walking of up/down perforation, and described drift 17 is slidably matched with walking tool bore; Under die opening state, the lower end of drift 17 does not expose to walk outside tool bore, and under matched moulds state, the lower end of drift 17 exposes to walk outside tool bore.
Described lower die structure includes die 8 from top to bottom successively, die fixed block 6, lower bolster 4, lower bolster 3, counterdie foot 2 and lower installation board 1, for the relation that is connected between six, described die fixed block is respectively provided on two sides with unloading block A7 and unloading block B26, unloading block A7 and unloading block B26 is mounted on a block 9, during work, the osculum end of upper half shell corresponding on shelly workpiece and the osculum end of lower half shell are respectively against the side of two blocks 9, the finished product being so possible to prevent upper half shell and lower half shell when die sinking drops, in addition, block 9 also acts as when being placed in mould by shelly workpiece to be processed, shelly workpiece can be played the effect of pre-determined bit by the osculum end of upper half shell corresponding on shelly workpiece to be processed and the osculum end of lower half shell being leaned against respectively the side of two blocks 9.
The lower end of described upper holding pad 16 is milled with locating mould cavity, unloading block A7 is milled with location profile A and location profile B respectively with unloading block B26 upper end, location profile A corresponds respectively to the profile of the diverse location of shelly workpiece with location profile B, under duty, location profile A all fits with the inwall of shelly workpiece with location profile B.
Described unloading block A7 and unloading block B26 can be respectively relative to die 8 upper and lower translation, and the lower end of unloading block A7 and unloading block B26 is equipped with flexible member B to provide ejecting force, and flexible member B is nitrogen spring 24 herein.The unloading block that mould is conventional is divided into unloading block A7 and unloading block B26 two parts, both after having cut, by unloading block A7 and unloading block B26, upper half shell finished product and lower half shell finished product can be carried out discharging respectively, can also reduce and chisel and carve the difficulty that monoblock discharging is fast, save processing cost.
Owing to the movement travel of unloading block A7 Yu unloading block B26 is relatively long, the two realizes relative to the guide pad B25 being arranged on lower bolster 3 that is translated across of die 8, described guide pad B25 fixedly mounts relative to described lower bolster 3, and has vertically through square notch on it; Described unloading block A7 and unloading block B26 lower end are mounted on a cushion block 5, the side of described cushion block 5 is against described die fixed block 6, opposite side is embedded in the square notch of described guide pad B25, and cushion block 5 is slidably matched with guide pad B25, and glide direction is vertical direction. Each cushion block 5 lower end is provided with flexible member B.
Further, described drift 17 lower end is provided with edge of a knife mold insert, and described die 8 upper end is provided with die mold insert, so can save processing cost, reduces difficulty of processing and is convenient for changing.
As further improvement of this embodiment, described edge of a knife mold insert upper end is milled with location profile C, described location profile A, location profile B and location profile C and forms the profile of the location that the continuous whole whole inwall profile with shelly workpiece to be processed is agreed with; Immediately below described edge of a knife mold insert lower end shape and edge of a knife mold insert, on shelly workpiece to be processed, the profile forms of correspondence position agrees with. So design can at utmost by shelly Workpiece clamping, incision site uniform force, it is possible to disposable by the incision of shelly workpiece with the shortest time, and cuts precision height, can effectively prevent from cutting shelly workpiece in process wrinkling.
The shelly workpiece of the present invention cut mould by profile location, unloading block is divided into two parts and the finished product after shelly workpiece is more effectively cut and prevents incision by the measures such as block is set drops, avoid part in incision process wrinkling, ensure that machining accuracy, and the edge of a knife and die upper end all adopt mold insert, it is possible to reduce processing and replacement cost.
It should be noted that the component name having in above-mentioned component name is with suffix A, B, A and B only plays differentiation effect herein, illustrates that with A and the part with B be not same part, does not play remaining restriction effect.
The above is only the preferred embodiment of the present invention; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
1. a shelly workpiece cuts mould, it is characterised in that: including upper die structure and lower die structure, described upper die structure can pass through guide frame and guide relative to lower die structure upper and lower translation; Described upper die structure includes cope match-plate pattern, upper holding pad and drift, and described upper holding pad can relative to described cope match-plate pattern upper and lower translation, and its translation is provided with spacing up and down, and upper holding pad upper end is provided with flexible member A to provide positioning pressure; Described drift is fixed relative to cope match-plate pattern, and upper holding pad has the tool bore of walking of up/down perforation, and described drift is slidably matched with walking tool bore;
Described lower die structure includes die, die fixed block and lower bolster from top to bottom, is relatively fixed between three, and described die fixed block is provided around unloading block; Being provided with two blocks in described unloading block, two blocks are arranged on the both sides of die; Under duty, the osculum end of upper half shell corresponding on shelly workpiece and the osculum end of lower half shell are respectively against the side of two blocks.
2. a kind of shelly workpiece according to claim 1 cuts mould, it is characterised in that: described unloading block can relative to die upper and lower translation, and its lower end is provided with flexible member B.
3. a kind of shelly workpiece according to claim 2 cuts mould, it is characterized in that: described upper holding pad lower end is milled with locating mould cavity, described stripper upper end is milled with location profile, and described locating mould cavity all agrees with the profile forms of shelly workpiece with location profile.
4. a kind of shelly workpiece according to claim 1 cuts mould, it is characterized in that: described unloading block includes unloading block A and unloading block B two parts, unloading block A and unloading block B are arranged on the both sides of described die fixed block and can be respectively relative to described die and slide up and down, and unloading block A is equipped with flexible member B to provide ejecting force with unloading block B lower end; Two described blocks are separately mounted to the upper end of unloading block A and unloading block B.
5. a kind of shelly workpiece according to claim 4 cuts mould, it is characterized in that: described upper holding pad lower end is milled with locating mould cavity, the upper end of described unloading block A and unloading block B is milled with location profile A and location profile B respectively, during work, described location profile A all fits with the inwall of shelly workpiece to be processed with location profile B.
6. a kind of shelly workpiece according to claim 5 cuts mould, it is characterised in that: described drift lower end is provided with edge of a knife mold insert, and described die upper end is provided with die mold insert.
7. a kind of shelly workpiece according to claim 6 cuts mould, it is characterised in that: described edge of a knife mold insert upper end is milled with location profile C, and during work, the inwall of described location profile C and shelly workpiece to be processed is fitted; Immediately below described edge of a knife mold insert lower end shape and edge of a knife mold insert, on shelly workpiece to be processed, the profile forms of correspondence position agrees with.
8. a kind of shelly workpiece according to any one of claim 1-7 cuts mould, it is characterized in that: the both sides of described upper holding pad have gathering sill, each gathering sill all has a guide pad A to be slidably matched with it, glide direction is vertical direction, and described guide pad A fixes relative to described cope match-plate pattern.
9. a kind of shelly workpiece according to any one of claim 4-7 cuts mould, it is characterised in that: described lower die structure also includes guide pad B, and described guide pad B fixedly mounts relative to described lower bolster, and has vertically through square notch on it; Described unloading block A and unloading block B lower end are equipped with cushion block, and the side of described cushion block is against described die fixed block, and opposite side is embedded in the square notch of described guide pad B, and cushion block and guide pad B are slidably matched, and glide direction is vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610154072.0A CN105642736A (en) | 2016-03-17 | 2016-03-17 | Cutting-open mold for shell-shaped workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610154072.0A CN105642736A (en) | 2016-03-17 | 2016-03-17 | Cutting-open mold for shell-shaped workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105642736A true CN105642736A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610154072.0A Pending CN105642736A (en) | 2016-03-17 | 2016-03-17 | Cutting-open mold for shell-shaped workpiece |
Country Status (1)
| Country | Link |
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| CN (1) | CN105642736A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067542A (en) * | 2017-12-15 | 2018-05-25 | 无锡曙光模具有限公司 | A kind of automobile air outlet end cone processing method of casing and its machining production line |
| CN108097782A (en) * | 2017-12-15 | 2018-06-01 | 无锡曙光模具有限公司 | A kind of lateral incision Trimming Die of automotive air intake end cone housing |
| CN108194768A (en) * | 2017-12-18 | 2018-06-22 | 无锡曙光模具有限公司 | A kind of auto parts machinery shell and its processing method |
| CN108326114A (en) * | 2017-12-19 | 2018-07-27 | 无锡曙光模具有限公司 | A kind of incision mold of automobile case |
| CN109433905A (en) * | 2018-12-18 | 2019-03-08 | 无锡曙光模具有限公司 | A kind of incision side-cutting die of air outlet end cone upper casing body case |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0102429A1 (en) * | 1982-09-06 | 1984-03-14 | Iwata, Tetsutaro | Compound die assembly |
| CN102554045A (en) * | 2012-02-28 | 2012-07-11 | 苏州市吴中区东方成套电器设备有限公司 | Compound die for arc sheet metal parts machining |
| CN103691802A (en) * | 2013-11-20 | 2014-04-02 | 无锡曙光模具有限公司 | Cutoff die for air outlet taper pipe shell of automobile engine exhaust system |
| CN105149415A (en) * | 2015-09-22 | 2015-12-16 | 无锡曙光模具有限公司 | Die capable of simultaneously cutting end faces and sides of half air inlet housings |
| CN105170786A (en) * | 2015-09-22 | 2015-12-23 | 无锡曙光模具有限公司 | Machining method for inlet manifold and special machining molds for achieving machining method |
| CN205587505U (en) * | 2016-03-17 | 2016-09-21 | 无锡曙光模具有限公司 | Incision mould of shelly work piece |
-
2016
- 2016-03-17 CN CN201610154072.0A patent/CN105642736A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0102429A1 (en) * | 1982-09-06 | 1984-03-14 | Iwata, Tetsutaro | Compound die assembly |
| CN102554045A (en) * | 2012-02-28 | 2012-07-11 | 苏州市吴中区东方成套电器设备有限公司 | Compound die for arc sheet metal parts machining |
| CN103691802A (en) * | 2013-11-20 | 2014-04-02 | 无锡曙光模具有限公司 | Cutoff die for air outlet taper pipe shell of automobile engine exhaust system |
| CN105149415A (en) * | 2015-09-22 | 2015-12-16 | 无锡曙光模具有限公司 | Die capable of simultaneously cutting end faces and sides of half air inlet housings |
| CN105170786A (en) * | 2015-09-22 | 2015-12-23 | 无锡曙光模具有限公司 | Machining method for inlet manifold and special machining molds for achieving machining method |
| CN205587505U (en) * | 2016-03-17 | 2016-09-21 | 无锡曙光模具有限公司 | Incision mould of shelly work piece |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067542A (en) * | 2017-12-15 | 2018-05-25 | 无锡曙光模具有限公司 | A kind of automobile air outlet end cone processing method of casing and its machining production line |
| CN108097782A (en) * | 2017-12-15 | 2018-06-01 | 无锡曙光模具有限公司 | A kind of lateral incision Trimming Die of automotive air intake end cone housing |
| CN108067542B (en) * | 2017-12-15 | 2023-06-16 | 无锡曙光模具有限公司 | Machining method and machining production line for automobile air outlet end cone shell |
| CN108097782B (en) * | 2017-12-15 | 2023-11-17 | 无锡曙光模具有限公司 | Side cutting trimming die for automobile air inlet end cone shell |
| CN108194768A (en) * | 2017-12-18 | 2018-06-22 | 无锡曙光模具有限公司 | A kind of auto parts machinery shell and its processing method |
| CN108326114A (en) * | 2017-12-19 | 2018-07-27 | 无锡曙光模具有限公司 | A kind of incision mold of automobile case |
| CN109433905A (en) * | 2018-12-18 | 2019-03-08 | 无锡曙光模具有限公司 | A kind of incision side-cutting die of air outlet end cone upper casing body case |
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Application publication date: 20160608 |